Water-heater.



PATENTED JUNE 19, 1906.

OLPORTER. WATER HEATER.

' APPLICATION FILED MAY 10, 1905.

In? en for ('firz' sloplerflrier,

wil-nesses:

monzw. B. slum: co" PHOTD-LITNOGRAVNERB. WASHINGTON. n. c.

4o which rests horizontally in recesses formed in CHRISTOPHER PORTER, orST.'PAUL, MINNESOTA,

wATER-HEATERf Specification of Letters Patent. 2

' Patented June19, 1966.

Application filed May 10,1905. Serial No. 259,672.

. of the heater and inexpensive construction A further obj ect is toutilize'a maximum amount of heat from the fuel and reduce the wasteheatradiation to a minimum.

In theaccompanying drawings, forming part of this specification, Figure1 is a front I elevation, partly in section, of my improvedwater-heater. Fig. 2 is a central vertical section of Fig. 1; and Fig.'3 is a detail plan View of the water-base, showing the water-tubes insection.

Myinvention consists of a series of watertubes 2 each tube beingreflexed at 3 a number of times. The water-tubes are arranged apart, andwhen viewed from one side their reflexed parts appear to intersect eachother, so that their surfaces are equally distributed throughout theheating chamber A. The heating-chamber is formed by inclosing walls 4,which may be constructed of bricks or any other suitable, thoughpreferably poor, heatoonducting material. A water base 5 is adapted torest on a shoulder 6, which is formed on the walls ,4: above an ash-pit7 The water-base is hollow and has an opening .8, across whichgrate-bars 9 extend and rest upon shoulders 10, which are formed on theinner faces of the sides of said base. Near the top of the inclosure isa hollow head 11,

said walls. The ends of the water-tubes are connected, as shown, withthe base and head by means of nip les 12. An external water heatingsystem not shown) is adapted to be connected with the water-heater bymeans of pipes 13 and 14'at the back of said base and the top of saidhead. A fire-door 15 and an ash-pit door 16, respectively above and below the grate, are provided in said walls and are ofordinaryconstruction. Near the upper-end of the water-heater is a smoke-outlet17, and on the top is placed a cover 18, which removed and a suitablebrush or tool inserted between the angles of the water-tubes forcleaning or repairing purposes.

In the operation of the furnace heat from the fire on the grate radiatesaround the water-tubes, and the smoke and gases pass out through thesmoke-outlet. When it is desired to remove a water-tube, the ni ples maybe easily disconnected and such tube as desired lifted out through theopening made in the walls of the water-heater and a new one replaced. Afaucet 20 and plugs 21 and 22 are connected with the water-base andhead, and suitable openings are left in the walls of the water-heater toreceive them. By removing these plugs and opening said faucet water maybe drained from the tubes and the arts cleaned.

It is o vious that as many tubes may be used as desired and that adifferent number merely varies the length of the water-heater. It isfurther obvious that it is not always necessary to arrange thewater-tubes in an u right position, for they may rest horizontal y orinchne when desired, and that the details of construction may be varied,and I do not wish to confine myself to the exact construc tiondescribed. 0

Having described my invention,- what I claim as new, and desire toprotect by Letters Patent, is

A device of the class set forth, consisting of a suitable furnaceinclosure, a plurality of water-tubes in said inclosure, each tube beingreflexed a number of times to present a maximum amount ofheating-surface within said inclosure and their reflexed parts, whenviewed from one side, appearin to intersect each other, a hollow base.wit which the lower ends of said tubes are connected and formed with anopening and a shoulder on its inner faces, fire-grates resting on saidshoulder and across said opening, a drain-faucet connected with saidbase, a head with which the upper ends of said tubes are connected, 1name to this specification in the presence of nip les between the endsof said tubes and twc subscribing witnesses. sai base and head, andclean-outs through the walls of said furnace'positioned oppositeCHRISTOPHER PORTER 5 the spaces between the reflexed parts of saidWitnesses water-tubes. E. M. BOESEL,

In testimony whereof I have signed my F. G. BRADBURY.

